Joints are classified according to the amount of movement possible between the articulating surfaces.关节的分类是以关节活动度的大小为依据的。

He has a security clearance that allows him access to classified information.他获得了安全许可, 可以接触机密情报。

The document was highly classified and circulated to a very limited group of people.这份文件高度保密, 只在很小的范围内传阅。

The regional newspaper group depends heavily on classified advertising.地方报业集团对分类广告的业务依赖度很高。